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DENSITY Learning Objectives After completing this Lecture Tutorial, students should be able to: explain how density is different than weight. ● • apply the concepts of density to explain plate movement at convergent boundaries. Part 1: Comprehension of Density Density is the amount of material in a given volume. It can be thought of as how compact something is. If two objects are the same size but one is heavier, it is more dense. 1. For each of the three rows below, circle which is more dense. One row will have the same density. a bucket of ping pong balls or a bucket of golf balls or There are the same density. There are the same density. a large piece a small piece of granite There are the same density. of granite or or or or

DENSITY Learning Objectives After completing this Lecture Tutorial, students should be able to: explain how density is different than weight. ● • apply the concepts of density to explain plate movement at convergent boundaries. Part 1: Comprehension of Density Density is the amount of material in a given volume. It can be thought of as how compact something is. If two objects are the same size but one is heavier, it is more dense. 1. For each of the three rows below, circle which is more dense. One row will have the same density. a bucket of ping pong balls or a bucket of golf balls or There are the same density. There are the same density. a large piece a small piece of granite There are the same density. of granite or or or or

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter1: Chemistry: An Introduction
Section: Chapter Questions
Problem 4QAP: The Chemistry in Focus segment titled Dr. Ruth—cotton Hero discusses the enormous contribution of...
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DENSITY Learning Objectives After completing this Lecture Tutorial, students should be able to: explain how density is different than weight. apply the concepts of density to explain plate movement at convergent boundaries. Part 1: Comprehension of Density Density is the amount of material in a given volume. It can be thought of as how compact something is. If two objects are the same size but one is heavier, it is more dense. 1. For each of the three rows below, circle which is more dense. One row will have the same density. a bucket of ping pong balls or a bucket of golf balls or There are the same density. or There are the same density. a small piece of granite or a large piece of granite or There are the same density. 2. Three students are discussing the density of different sized rocks. Student 1: I think a small rock is less dense than a large one. When you pick them up, the small rock is much lighter than the big rock. Since density is the same thing as weight, a heavier rock is a denser rock. Student 2: I think things with the same density but different sizes can have different weights. The atoms in the two rocks are equally compact, so the density is the same. Student 3: I think it is easiest to compare things of the same size. If you broke a piece off the big rock that was the same size as the little rock, they would have the same weight, so that means the rocks have the same density. With which two students do you agree? Why? PAGER 2 - L' W JA or S
Transcribed Image Text:DENSITY Learning Objectives After completing this Lecture Tutorial, students should be able to: explain how density is different than weight. apply the concepts of density to explain plate movement at convergent boundaries. Part 1: Comprehension of Density Density is the amount of material in a given volume. It can be thought of as how compact something is. If two objects are the same size but one is heavier, it is more dense. 1. For each of the three rows below, circle which is more dense. One row will have the same density. a bucket of ping pong balls or a bucket of golf balls or There are the same density. or There are the same density. a small piece of granite or a large piece of granite or There are the same density. 2. Three students are discussing the density of different sized rocks. Student 1: I think a small rock is less dense than a large one. When you pick them up, the small rock is much lighter than the big rock. Since density is the same thing as weight, a heavier rock is a denser rock. Student 2: I think things with the same density but different sizes can have different weights. The atoms in the two rocks are equally compact, so the density is the same. Student 3: I think it is easiest to compare things of the same size. If you broke a piece off the big rock that was the same size as the little rock, they would have the same weight, so that means the rocks have the same density. With which two students do you agree? Why? PAGER 2 - L' W JA or S
O DENSITY Part 2: Application of Density to Behavior 3. A boulder is more dense than water. What happens to a boulder if you throw it in water? It rises. It sinks. It depends on the size of the boulder. 4. Hot air is less dense than cold air. What happens to a balloon if you fill it with hot air? It sinks. It depends on the size of the balloon. It rises. 5. Circle the sentence that best summarizes the interaction between materials of different densities. More dense material sinks, and less dense material rises. Less dense material sinks, and more dense material rises. The interaction varies, depending on the size. Part 3: Application of Density to Plate Tectonics Density differences are important when considering the behavior of the crust at convergent plate boundaries. 6. When ocean crust and continental crust move toward each other, the ocean crust is subducted down beneath the continental crust. Which is more dense? continental crust the thicker crust ocean crust 7. As oceanic crust gets older, it cools and becomes more dense. What would happen as one old and one young oceanic tectonic plate come together? Determine which plate in each diagram below is more dense and then circle the correct diagram. Young ocean plate Old ocean plate Old ocean plate Young ocean plate 8. Explain your choices to Questions 6 and 7 in terms of how density affects the way two plates behave at a convergent boundary with subduction. O LTO A P
Transcribed Image Text:O DENSITY Part 2: Application of Density to Behavior 3. A boulder is more dense than water. What happens to a boulder if you throw it in water? It rises. It sinks. It depends on the size of the boulder. 4. Hot air is less dense than cold air. What happens to a balloon if you fill it with hot air? It sinks. It depends on the size of the balloon. It rises. 5. Circle the sentence that best summarizes the interaction between materials of different densities. More dense material sinks, and less dense material rises. Less dense material sinks, and more dense material rises. The interaction varies, depending on the size. Part 3: Application of Density to Plate Tectonics Density differences are important when considering the behavior of the crust at convergent plate boundaries. 6. When ocean crust and continental crust move toward each other, the ocean crust is subducted down beneath the continental crust. Which is more dense? continental crust the thicker crust ocean crust 7. As oceanic crust gets older, it cools and becomes more dense. What would happen as one old and one young oceanic tectonic plate come together? Determine which plate in each diagram below is more dense and then circle the correct diagram. Young ocean plate Old ocean plate Old ocean plate Young ocean plate 8. Explain your choices to Questions 6 and 7 in terms of how density affects the way two plates behave at a convergent boundary with subduction. O LTO A P
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